White substance at bottom of pool and spa

[jnthurm]

Our gunite pool was plastered and opened at the beginning of May. We religiously brushed the pool and checked chemical balance and everything looked good. Our PB put in 15 bags of salt and turned on the Intellichlor salt water chlorine generator a couple of weeks ago. Since then we have a white substance sitting in the bottom of the spa as well as some at the bottom of the pool. It does not look like plaster dust. It looks like salt. Is this normal?

 

[mknauss]

That looks like scale. Can you post a complete set of test results?

 

[jnthurm]

The white substance is not stuck to the pool. If you stir it up it floats around and then settles back to the bottom.

 

[mknauss]

Correct. Scale. From your SWCG.
Can you post a complete set of test results?

 

[jnthurm]

Correct. Scale. From your SWCG.
Can you post a complete set of test results?

Yes, here is the last set of test results

 

[mknauss]

I have to be honest, I do not even look at pool store test sheets. They are wrong way more often than not.

The scale in your pool is created in your SWCG due to your CSI (Calcium Saturation Index (CSI) - Trouble Free Pool ) being above 0.0 -- PoolMath calculates CSI for your from your test results.

You need a proper test kit. I suggest the TF100. A proper test kit is needed to get the accurate water chemistry results needed to follow the TFP protocols.

 

[jnthurm]

I have to be honest, I do not even look at pool store test sheets. They are wrong way more often than not.

The scale in your pool is created in your SWCG due to your CSI (Calcium Saturation Index (CSI) - Trouble Free Pool ) being above 0.0 -- PoolMath calculates CSI for your from your test results.

You need a proper test kit. I suggest the TF100. A proper test kit is needed to get the accurate water chemistry results needed to follow the TFP protocols.

ok, we just got our new test kit. I’m attaching the results. BTW, we have a gunite pool with waterline tile, hard water, pool heater, and SWG.